Administration Console Online Help

Configure read
only one phase optimization and two phase commit

In the
Domain Structure tree, expand
Environment, then select
Services.

Select
JTA.

Disable
Execute XA Calls In Parallel.

Optionally, disable Enable Two Phase
Commit.

Result

One-phase commit processing is enabled. If Enable Two
Phase Commit is disabled, two-phase commit is not used and
all transaction logging is disabled, including checkpoint records. If
there is only one XA resource enlisted in a transaction that is
configured as an LLR resource, it will not count in LLR runtime
statistics.